A classic work of Polish historian specializing in law and statehood. "Piast Genealogy" tells the story of the first Polish royal dynasty. From Mieszko [Myeshcko] - the first historical ruler and grandfather of Cnut the Great, through Bolesław I the Brave, the first crowned ruler, to dynasty's lost of crown to The House of Anjou and disappearance of individual lines.

Published in 1895, work formed foundations for subsequent researchers and continues to influence further generations of passionate. "Piast Genealogy" provides the necessary bases for further studies on the subject, as well as training in clear and straight transferring information between the author and the reader. The fluency and ability to form the story in an interesting way ensures book's timelessness.